Delta to get $1 billion 'boost' from American Express

Delta Air Lines announced a multiyear extension of its branded credit card partnership with American Express that will provide it with more than $2 billion in combined incremental liquidity and contract enhancements. DL said it will receive "an immediate $1 billion boost to its liquidity" from an American Express purchase of SkyMiles, in addition to $1 billion in contract improvements through 2010.